Hard Drive Not detected after replacing DC In Board

So after more than a year of jiggling an easliy bent AC adapter in the port to get my ibook G4 to charge it just quit and would not charge. I suspected it was the slightly loose DC in port (having no idea what was behind the little hole) so I took it to the Genius Bar at my local Apple Store where they confirmed it was likely the DC in board. I was told that just sending my little old ibook away to get fixed would cause an exorbitant $330 just to ship it out, never mind any parts, etc. It was suggested I just buy a new macbook and be done with it. But we've been through a lot and I didn't want to just toss her away so I found a DC In board and replaced it myself. Parts and directions courtesy of ifixit.com
So the part is working well enough that it detects the new AC Adapter (this one new and unbent), which is great. Now I have a slightly larger problem and that is the dreaded little finder/? flashing icon that comes up when I start the computer. It won't start in safe mode. I can't find the original disks (Panther OSX) that came with it. I popped in my Tiger Install Disk and that (Thankfully) came up so I was able to open Disk Utility and lo and behold no hard drive was detected. Just the optical drive and the Tiger DVD.
I was so careful! Did I poke the Hard Drive or something? Is she mad at me for opening her? If anyone has any advice on how I can repair this myself please let me know. I'm desparate to have my baby back.
Message was edited by: alemicia

It's possible that something was disrupted during the repair. You might go back to the ifixit site and look at the instructions for replacing the hard drive. You want to try and see if somehow you disconnected it or something like that. There's a good chance that it is something simple that you can fix. Looking at the pictures might trigger a memory of maybe something taken loose and not reconnected. And try to find your original discs--you will need them.
Good luck!

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    [ 2.058221] ata3: SATA link down (SStatus 0 SControl 300)
    [ 2.058316] ata4: SATA link down (SStatus 0 SControl 300)
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